As long as the temporary limit is repaid within the specified time, no interest will be charged.
The interest on the temporary limit of a credit card is the same as the interest on a fixed limit, except that installment payment cannot be made. Generally, a credit card can overdraft 40%-50% of the maximum limit; normal consumption with a credit card is free for 20-50 days. interest period.
If you overdraft, you will have to pay a 1% handling fee, and the interest will be charged according to the central bank's "Bank Card Business Management Measures". The interest is 0.05% per day, which is 1.52% monthly interest and 18.25% annual interest.